Benchmark.java

/*
 * Copyright (C) 2014  James Lawrence.
 *
 *     This file is part of LibLab.
 *
 *     LibLab is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.sqrt.liblab.etc;

public class Benchmark {
    public static Task record(String name) {
        return new Task(name);
    }

    public static class Task {
        public final String name;
        public final long start;
        private long end;

        private Task(String name) {
            this.name = name;
            this.start = System.currentTimeMillis();
        }

        public long elapsed() {
            return System.currentTimeMillis() - start;
        }

        public long stop() {
            end = System.currentTimeMillis();
            return end - start;
        }

        public long timeTaken() {
            return end - start;
        }
    }
}